The Environment Agency's total expenditure for flood risk management for the Thames Estuary in each of the last five years is shown in the following table.
Total 2004-05 17,052,000 2005-06 20,381,000 2006-07 17,831,000 2007-08 17,398,000 2008-09 17,593,600
Total expenditure includes capital and revenue figures. Capital expenditure includes schemes land capital replacement. Revenue expenditure includes operating, maintaining and inspecting structures including the Thames Barrier, Barking Barrier, Dartford Creek Barrier and associated floodgates and floodwalls.
The geographical area of expenditure is the Thames Estuary from Teddington to Kingsnorth Power Station on the south bank and Teddington to Wakering on the north bank.
In addition the Environment Agency has a £16 million strategy (Thames Estuary 2100 project) running from 2002 through to 2010 to develop a Thames tidal flood risk management plan up to 2100.